#include <stdio.h>

int main(){
    int a[3] = {10,20,100};
    int len = sizeof(a)/sizeof(int);
    int *ptr[3];
    for (int i = 0; i < len ; i++) {
        ptr[i] = &a[i];
    }
    for (int i = 0; i < len; ++i) {
        printf("%d 地址 %p \n ",*ptr[i],ptr[i]);
    }
    return 0;
}